Abstract:
OBJECTIVE:In cervical intraepithelial neoplasia (CIN), p16(INK4a) immunohistochemistry has been reported to be a useful diagnostic biomarker. However, limited information is available about the association between the p16(INK4a) immunohistochemistry and the outcomes of CIN. Here, we report p16(INK4a) immunohistochemistry as an effective biomarker to predict the outcomes of CIN. METHODS:p16(INK4a) immunohistochemistry was performed in patients with CIN from January 2000 to August 2009. Among these patients, we have performed a retrospective analysis of the medical records to evaluate the outcome of CIN 1-2 and performed statistical analysis to determine the correlation between p16(INK4a) expression and the outcomes. We also performed HPV genotyping and analyzed the relation between the infecting human papillomavirus (HPV) genotype and the outcomes. RESULTS:A total of 244 patients, including 82 with CIN 1, 60 with CIN 2, and 102 with CIN 3, were examined. The rate of p16(INK4a) overexpression increased with increasing CIN grade, 20.7% for CIN 1, 80.0% for CIN 2, and 89.2% for CIN 3, with significant differences between CIN 1 and CIN 2-3 group. In the 131 CIN 1-2 patients, the progression rate was significantly higher for the patients showing p16(INK4a) overexpression than for those not showing p16(INK4a) overexpression (p=0.005); the regression rate was also found to be significantly lower for the patients showing p16(INK4a) overexpression (p=0.003). High-risk HPV genotypes were detected in 73 patients (73.7%). Both progression and regression rates were not significantly different between the high-risk HPV-positive and HPV-negative groups (p=0.401 and p=0.381, respectively). CONCLUSION:p16(INK4a) overexpression was correlated with the outcome of CIN 1-2, and p16(INK4a) is considered to be a superior biomarker for predicting the outcome of CIN 1-2 compared with HPV genotyping.
journal_name
J Gynecol Oncoljournal_title
Journal of gynecologic oncologyauthors
Nishio S,Fujii T,Nishio H,Kameyama K,Saito M,Iwata T,Kubushiro K,Aoki Ddoi
10.3802/jgo.2013.24.3.215subject
Has Abstractpub_date
2013-07-01 00:00:00pages
215-21issue
3eissn
2005-0380issn
2005-0399journal_volume
24pub_type
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journal_title:Journal of gynecologic oncology
pub_type: 杂志文章
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更新日期:2011-03-31 00:00:00
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更新日期:2010-09-01 00:00:00
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更新日期:2017-01-01 00:00:00
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journal_title:Journal of gynecologic oncology
pub_type: 杂志文章
doi:10.3802/jgo.2010.21.1.59
更新日期:2010-03-01 00:00:00
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journal_title:Journal of gynecologic oncology
pub_type: 杂志文章
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更新日期:2019-07-01 00:00:00
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更新日期:2008-12-01 00:00:00
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更新日期:2018-05-01 00:00:00
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更新日期:2021-01-01 00:00:00
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更新日期:2014-04-01 00:00:00
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更新日期:2009-09-01 00:00:00
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更新日期:2012-04-01 00:00:00
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更新日期:2014-01-01 00:00:00
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pub_type: 杂志文章
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更新日期:2016-05-01 00:00:00
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pub_type: 临床试验,杂志文章
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更新日期:2018-01-01 00:00:00
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doi:10.3802/jgo.2016.27.e4
更新日期:2016-01-01 00:00:00
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更新日期:2017-11-01 00:00:00
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更新日期:2019-01-01 00:00:00
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pub_type: 杂志文章,随机对照试验
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更新日期:2017-05-01 00:00:00
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更新日期:2009-03-01 00:00:00
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更新日期:2020-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2020-05-01 00:00:00